Descaler. Home › Forums › Public Support Forums › Help And Support › Washing Machine Help Forum › Descaler. This topic has 1 reply, 2 voices, and was last updated 15 years, 6 months ago by Higher-water-level. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts September 28, 2010 at 2:57 pm #57556 Higher-water-levelParticipant Hi, I have some Electrolux group powdered descaler for my Bosch (bought S/H and a mess). It recommends using a 40oC programme but surely using a 90oC programme would have more effect and remove the limescale easier. So what are your thoughts please. Thanks, 😀 Oliver. September 28, 2010 at 3:14 pm #331548 chezzaParticipant Re: Descaler. No, they recommend these things so you ignore them… after all, they would rather their product doesn’t work so you don’t buy more Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In